The Prophet ﷺ forbade combining raisins, dried dates, unripe dates, and fresh dates.In another narration, the Messenger of Allah ﷺ forbade soaking dried dates and raisins together, and forbade soaking dried dates and unripe dates together.
نهى النبي ﷺ الزبيب، والتمر، والبسر، وا الرطب وفي رواية: نهى رسول الله ﷺ عن التمر والزبيب، ونهى عن التمر والبسر أن ينبذا جميعا.
Bukhari narrated it in the Book of Drinks (5601), and Muslim in the Book of Drinks (1986:18), both through Ibn Jurayj, who said, "Ata told me that he heard Jabir say," then he related it.The other narration is from Nasai in Al-Mujtaba (5560), through Amr bin Dinar, from Jabir, with a sahih chain.